File list (Check if you may need any files):
CollapsibleSplitter
...................\CollapsibleSplitter CSharp.sln
...................\CollapsibleSplitterCSharp
...................\.........................\AssemblyInfo.cs
...................\.........................\CollapsibleSplitter.bmp
...................\.........................\CollapsibleSplitter.cs
...................\.........................\CollapsibleSplitter.csproj
...................\.........................\CollapsibleSplitter.csproj.user
...................\CollapsibleSplitterTest
...................\.......................\App.ico
...................\.......................\AssemblyInfo.cs
...................\.......................\CollapsibleSplitterTest.csproj
...................\.......................\CollapsibleSplitterTest.csproj.user
...................\.......................\Form1.cs
...................\.......................\Form1.resx